Search a number
-
+
22130100000 = 25325567367
BaseRepresentation
bin10100100111000011…
…101000011100100000
32010010021200120010100
4110213003220130200
5330310301200000
614055540502400
71412255513661
oct244703503440
963107616110
1022130100000
119426956748
1243573aaa00
132118aa4138
1410dd169368
15897c7ba00
hex5270e8720

22130100000 has 432 divisors, whose sum is σ = 80052126336. Its totient is φ = 5797440000.

The previous prime is 22130099993. The next prime is 22130100011. The reversal of 22130100000 is 103122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60299817 + ... + 60300183.

It is an arithmetic number, because the mean of its divisors is an integer number (185305848).

Almost surely, 222130100000 is an apocalyptic number.

22130100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22130100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40026063168).

22130100000 is an abundant number, since it is smaller than the sum of its proper divisors (57922026336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22130100000 is an equidigital number, since it uses as much as digits as its factorization.

22130100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 22130100000 its reverse (103122), we get a palindrome (22130203122).

The spelling of 22130100000 in words is "twenty-two billion, one hundred thirty million, one hundred thousand".